Answer:
<em>C</em> Na+ = 0.228 M
Explanation:
M 2M M
∴ mol Na2S = (0.0478 L)*(0.801 mol/L) = 0.0383 mol
∴V sln = 336.7 mL = 0.3367 L
⇒ <em>C</em> Na2S sln = 0.0383 mol / 0.3367 L = 0.114 M
∴ mol Na+ = (0.0383 mol Na2S)*( 2 mol Na+/ mol Na2S) = 0.0766 mol
⇒ <em>C</em> Na+ = 0.0766 mol / 0.3367 L = 0.2275 M
Answer:
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No
In chemistry, a mixture<span> is a material system made up of two or more different substances which are mixed but are not combined chemically. A </span>mixture<span> refers to the physical combination of two or more substances on which the identities are retained and are mixed in the form of solutions, suspensions, and colloids.
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hope that helps
That would be mechanical because you're not changing the substance only the appearance.